1) 1. You ______ wear a seatbelt while driving. It’s the law. a) can b) must 2) You ______ smoke in the hospital. It’s prohibited. a) mustn't b) must 3) I ______ swim very well. I learned when I was five. a) can b) can't 4) She ______ enter the office. She doesn’t have permission. a) can b) can't 5) You ______ bring food to the party. We already have enough. a) don't have to b) have to 6) Students ______ wear a uniform at this school. It’s obligatory. a) have to b) shouldn't 7) He ______ eat so much junk food. It’s not healthy. a) should b) shouldn't 8) You look tired. You ______ rest a little. a) should b) mustn't 9) I ______ finish this homework before tomorrow. It’s necessary. a) need to b) can 10) We ______ shout in the library. It’s not allowed. a) can't b) should

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